linux-kernel - Re: [PATCHv7 02/26] iommu: add capability IOMMU_CAP

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Message-ID: <CAG8rG2xJm+WQicO8+uR5Pqh4HO0kTambeGoYUAjA7qYYHNJT8w@mail.gmail.com>
Date:	Fri, 26 Sep 2014 17:00:39 +0200
From:	Antonios Motakis <a.motakis@...tualopensystems.com>
To:	Joerg Roedel <joro@...tes.org>
Cc:	Alex Williamson <alex.williamson@...hat.com>,
	kvm-arm <kvmarm@...ts.cs.columbia.edu>,
	Linux IOMMU <iommu@...ts.linux-foundation.org>,
	VirtualOpenSystems Technical Team <tech@...tualopensystems.com>,
	KVM devel mailing list <kvm@...r.kernel.org>,
	Christoffer Dall <christoffer.dall@...aro.org>,
	Will Deacon <will.deacon@....com>,
	Kim Phillips <kim.phillips@...escale.com>,
	Eric Auger <eric.auger@...aro.org>,
	Marc Zyngier <marc.zyngier@....com>,
	Joerg Roedel <jroedel@...e.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Shuah Khan <shuah.kh@...sung.com>,
	Thierry Reding <treding@...dia.com>,
	Alexey Kardashevskiy <aik@...abs.ru>,
	"Upinder Malhi (umalhi)" <umalhi@...co.com>,
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCHv7 02/26] iommu: add capability IOMMU_CAP_NOEXEC

On Fri, Sep 26, 2014 at 11:48 AM, Joerg Roedel <joro@...tes.org> wrote:
> On Tue, Sep 23, 2014 at 04:46:01PM +0200, Antonios Motakis wrote:
>> Some IOMMUs accept an IOMMU_NOEXEC protection flag in addition to
>> IOMMU_READ and IOMMU_WRITE. Expose this as an IOMMU capability.
>>
>> Signed-off-by: Antonios Motakis <a.motakis@...tualopensystems.com>
>> ---
>>  include/linux/iommu.h | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/include/linux/iommu.h b/include/linux/iommu.h
>> index e1a644c..0433553 100644
>> --- a/include/linux/iommu.h
>> +++ b/include/linux/iommu.h
>> @@ -59,6 +59,7 @@ struct iommu_domain {
>>
>>  #define IOMMU_CAP_CACHE_COHERENCY    0x1
>>  #define IOMMU_CAP_INTR_REMAP         0x2     /* isolates device intrs */
>> +#define IOMMU_CAP_NOEXEC             0x3     /* IOMMU_NOEXEC flag */
>
> This changed recently to an enum, please rebase to latest iommu/next
> branch.
>
>
> With that change:
>
>         Acked-by: Joerg Roedel <jroedel@...e.de>
>
> for patches 1 and 2.
>

Ack


-- 
Antonios Motakis
Virtual Open Systems
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